Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Male display
|
intersexual selection - traits that attract females (ex: male peacocks, antlers, colorful frogs and lizards)
|
|
|
Male-male competition
|
intrasexual selection - traits that allow male to
prove superiority over other males |
|
|
Sexual dimorphism
|
a difference between males and female
members of a species; lack an adaptive explanation |
|
|
Parental investment
|
the energy and time required to produce gametes
and care for offspring |
|
|
Females-sexual selection
|
small number of energetically-expensive gametes (eggs); Female potential reproductive success is relatively small, and her realized
success depends on the survival of her offspring |
|
|
males-sexual selection
|
large number of energetically-inexpensive gametes (sperm); Male potential reproductive success is relatively large, and his realized
reproductive success is a factor of the number of copulations. |
|
|
Intrasexual selection -
|
fights among members of one sex over access to
mates or access to resources that attract mates |
|
|
Intersexual selection
|
advertisments by members of the sex subject to
strong sexual selection that provide a cue to the members of the other sex regarding the quality of the prospective mates |
